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  </script></head><body><div id="wrapper"><header><div id="header"><div><div><div class="logo noPrint"><a href="http://tomcat.apache.org/"><img alt="Tomcat Home" src="../images/tomcat.png"></a></div><div style="height: 1px;"></div><div class="asfLogo noPrint"><a href="http://www.apache.org/" target="_blank"><img src="../images/asf-feather.png" alt="The Apache Software Foundation" style="width: 266px; height: 83px;"></a></div><h1>Apache Tomcat 8 Architecture</h1><div class="versionInfo">
          Version 8.0.36,
          <time datetime="2016-06-09">Jun 9 2016</time></div><div style="height: 1px;"></div><div style="clear: left;"></div></div></div></div></header><div id="middle"><div><div id="mainLeft" class="noprint"><div><nav><div><h2>Links</h2><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Architecture Home</a></li><li><a href="http://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul></div><div><h2>Contents</h2><ul><li><a href="index.html">Contents</a></li><li><a href="overview.html">Overview</a></li><li><a href="startup.html">Server Startup</a></li><li><a href="requestProcess.html">Request Process</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2>Table of Contents</h2><h3 id="Preface">Preface</h3><div class="text">

<p>This section of the Tomcat documentation attempts to explain
the architecture and design of the Tomcat server.  It includes significant
contributions from several tomcat developers:
</p>
<ul>
<li>Yoav Shapira
    (<a href="mailto:yoavs@apache.org">yoavs@apache.org</a>)</li>
<li>Jeanfrancois Arcand
    (<a href="mailto:jfarcand@apache.org">jfarcand@apache.org</a>)</li>
<li>Filip Hanik
    (<a href="mailto:fhanik@apache.org">fhanik@apache.org</a>)</li>
</ul>

</div><h3 id="Table_of_Contents">Table of Contents</h3><div class="text">

<p>The information presented is divided into the following sections:</p>
<ul>
<li><a href="overview.html"><strong>Overview</strong></a> -
    An overview of the Tomcat server architecture with key terms
    and concepts.</li>
<li><a href="startup.html"><strong>Server Startup</strong></a> -
    A detailed description, with sequence diagrams, of how the Tomcat
    server starts up.</li>
<li><a href="requestProcess.html"><strong>Request Process Flow</strong></a> -
    A detailed description of how Tomcat handles a request.</li>
</ul>

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